Patents by Inventor Heiko Fichtler

Heiko Fichtler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Color picture tube having a mask of a first material connected to a frame of a second material by plural weld spots
    Patent number: 6043597
    Abstract: A color picture tube having a mask-frame combination which consists of a rectangular frame of a first material and of a mask of a second material, wherein the mask is connected to the frame by a plurality of welding spots, and notches and decoupling slots whose dimensions have a specific ratio with one another are provided at both sides of welding spots at the shorter sides.
    Type: Grant
    Filed: January 30, 1998
    Date of Patent: March 28, 2000
    Assignee: Matsushita Electronics (Europe) GmbH
    Inventors: Heiko Fichtler, Stefan Fischer, Rolf Reidinger, Werner Wolfram